Burlington Northern GP40 Number 3029, former Burlington Number 629; Southern Pacific U33C Number unknown; Union Pacific SD40-2 Number unknown; Union Pacific SD40-2 Number unknown; in Saint Paul, Minnesota with detour piggyback freight on February 16, 1980. Photo by Al Christianson.

Burlington Northern GP5 Number 1355, former Great Northern Number 905; 3 unidentified F units in Fergus Falls, Minnesota on September 20, 1980. Photo by Al Christianson.

Burlington Northern GP7 Number 1550, former Great Northern Number 650; SD7 Number 6049, former Burlington Number 401; GP9 Number 1867, former Northern Pacific Number 244; in Minneapolis, Minnesota pulling freight on February 22, 1982. Photo by Al Christianson.

Burlington Northern GP7 Number 1550, former Great Northern Number 650; SD7 Number 6049, former Burlington Number 401; GP9 Number 1867, former Northern Pacific Number 244; in Minneapolis, Minnesota pulling freight on February 22, 1982. Photo by Al Christianson.

Burlington Northern GP7 Number 1619, former Burlington Number 263; GP7 Number 1592, former Burlington Number 236; in Newport, Minnesota pulling short freight on May, 1981. Photo by Al Christianson.

Burlington Northern GP38-2 Number 2090, built November 1974; GP20 Number 2008, former Great Northern Number 2008; 2 unidentified GP engines in Breckenridge, Minnesota on February 23, 1980. Great Northern Glacier green covered hopper in background. Photo by Al Christianson.

Burlington Northern GP38-2 Number 2092, built in November 1974; GP20 Number 2032, former Great Northern Number 2032; GP20 Number 2006, former Great Northern Number 2006; GP20 Number 2001, former Great Northern Number 2001; with Burlington Northern bi-level autorack in Minneapolis, Minnesota on April 4, 1980. Burlington Northern mechanical reefers in background. Photo by Al Christianson.

Burlington Northern GP40 Number 3026, former Burlington Number 626; SD40 Number 6301, built October 1971; leased Precision SD18m Number 18*9 in Saint Paul, Minnesota with freight train on August 11, 1980. Photo by Al Christianson.

Burlington Northern GP40 Number 3026, former Burlington Number 626; SD40 Number 6301, built October 1971; leased Precision SD18m Number 18*9 in Saint Paul, Minnesota with eastbound freight on August 11, 1980. Photo by Al Christianson.

Burlington Northern GP40 Number 3028, former Burlington Number 628; GP40 Number 3002, former Burlington Number 172; passing Newport interlocking tower in Newport, Minnesota with eastbound freight on November 25, 1980. Photo by Al Christianson.